Zhou, Ej

Curriculum Vitae
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Selected Publications

LLM Evaluators are Biased towards Languages
Ej Zhou, Lucas Resck, Zheng Hui, Anna Korhonen
ICLR 2026 ICBINB · In submission to COLM 2026
Cross-Lingual Alignment Without Joint Training: Do Monolingual Language Models Converge on Universal Representations?
Ej Zhou, Suchir Salhan, Catherine Arnett, Anna Korhonen
ICLR 2026 UCRL · In submission to EMNLP 2026
Beyond the Final Layer — paper figure
Beyond the Final Layer: Intermediate Representations for Better Multilingual Calibration in Large Language Models
Ej Zhou, Caiqi Zhang, Tiancheng Hu, Chengzu Li, Nigel Collier, Ivan Vulić, Anna Korhonen
In submission — EMNLP 2026 · Spotlight · COLM 2025 MELT · NeurIPS 2025 MechInterp
Paper ↗
HealthDial dataset figure
Dial HEALTHDIAL for Advice: A Multilingual and Multi-Parallel Spoken Dialogue Dataset for Evidence-Based Public Health Communication
Ej Zhou*, Songbo Hu*, Yinhong Liu*, Evgeniia Razumovskaia, Xiaobin Wang, Alexander Fraser, Ivan Vulić**, Anna Korhonen**
* equal contribution  ·  ** equal supervision
ACL 2026 Findings
Paper ↗ Code ↗ Video ↗
Safe-SAIL — paper figure
Safe-SAIL: Towards a Fine-grained Safety Landscape of Large Language Models via Sparse Autoencoder Interpretation Framework
Jiaqi Weng, Han Zheng, Hanyu Zhang, Ej Zhou, Qinqin He, Jialing Tao, Hui Xue, Zhixuan Chu, Xiting Wang
ACL 2026 Findings
Paper ↗
Bias Beyond English — paper figure
Bias Beyond English: Evaluating Social Bias and Debiasing Methods in a Low-Resource Setting
Ej Zhou, Weiming Lu
NLPCC 2025 Main · ACL 2025 GeBNLP
Paper ↗
Global linguistic hierarchy figure
Artificial Intelligence is Creating a New Global Linguistic Hierarchy
Giulia Occhini, Kumiko Tanaka-Ishii, Anna Barford, Refael Tikochinski, Songbo Hu, Roi Reichart, Yijie Zhou, Hannah Clause, Ulla Petti, Ivan Vulić, Ramit Debnath, Anna Korhonen
In submission to Nature Communications
Paper ↗ Article ↗
MSRS overview figure
MSRS: Evaluating Multi-Source Retrieval-Augmented Generation
Rohan Phanse, Yijie Zhou, Kejian Shi, Wencai Zhang, Yixin Liu, Yilun Zhao, Arman Cohan
COLM 2025
Paper ↗ Code ↗
Cross-Lingual Summarization pipeline
Revisiting Cross-Lingual Summarization: A Corpus-based Study and a New Benchmark with Improvement Annotation
Yulong Chen, Huajian Zhang, Yijie Zhou, Xuefeng Bai, Yueguan Wang, Ming Zhong, Jianhao Yan, Yafu Li, Judy Li, Michael Zhu, Yue Zhang
ACL 2023 Long
Paper ↗ Code ↗

Education

University of Cambridge
Sept 2024 — Jun 2028 (expected)
PhD in Computation, Cognition and Language · Hughes Hall · advised by Prof. Anna Korhonen
Zhejiang University
Sept 2020 — Jun 2024
B.Eng. (Honours), Computer Science · GPA 3.99 / 4 · Chu Kochen Honors College
Cornell University
Jan 2023 — May 2023
Exchange student · CommCollabTech
University of Oxford
Oct 2023 — Jun 2024
Visiting student · St Hilda's College

Experience

Research Intern — Qwen, Alibaba
Jun 2026 — Present
Qwen Multilingual team, advised by Baosong Yang.
Research Intern — Yale
Apr 2023 — Oct 2023
Advised by Arman Cohan.
Research Intern — Westlake University
Sept 2022 — Feb 2023
Advised by Yue Zhang.
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